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Ch. 25 outline - Outline for chapter 25 fungi I Fungi...

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Outline for chapter 25 fungi I. Fungi characteristics A. Body plan figure 25-1 1. Unicellular (yeast) to multicellular 2. Fig. 25-2 hypha --> hyphae --> mycelium (sometimes) --> fruiting body 3. Chitin in cell wall, resistant to breakdown by microorganisms (reduces H 2 O loss) 4. Coenocytic (no individual cells) fig. 25-1/septa B. Reproduction figure 25-2, 5 1. Asexually by spores 2. Sexually by spores 3. Spores find appropriate food source spores no seed coat don’t have baby plant (embryo) don’t have stored food source II. Classification Table 25-1 (p. 484) A.P. Chytridiomycota 1. Simple aquatic fungi 2. Parasites or decomposers B.P. Zygomycota 1. Spores on aerial hyphae (color) 2. Decomposers that live in soil, on decaying plant/animal matter, some parasite 3. Example: black bread mold 4. Figure 25-7
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C. P. Ascomcota (ascus) 1. Sac fungi (spores) 2. Include yeast, powdery mildew, molds that cause foods to spoil- blue-green, pink, brown; cause plant disease (p. 496) 3. Figures 25-8, 9, 10 a. asexual- conidiophore releases conidia b.
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